Reliability and fatigue damage modes of zirconia and titanium abutments.

  title={Reliability and fatigue damage modes of zirconia and titanium abutments.},
  author={Miltiadis E Mitsias and Nelson R. F. A. Silva and Mitchel Pines and Christian F. J. Stappert and Van P. Thompson},
  journal={The International journal of prosthodontics},
  volume={23 1},
The fracture strength and accelerated fatigue reliability of metal and zirconia abutment systems were tested. Implants with either titanium (Ti, n = 9) or zirconia abutments(Zr, n = 18) were restored with metal crowns. Loads were applied as either a monotonic load to failure or mouth-motion cycles using a step-stress accelerated life testing method. At failure, monotonic loads were 1,475 +/- 625 N for Ti and 690 +/- 430 N for Zr. In step-stress testing, the Ti group was truncated at 70,000… CONTINUE READING

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